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JPL Small-Body Database Browser
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46641 (1995 EY)
Classification: Main-belt Asteroid          SPK-ID: 2046641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2728266933657296 3.8307e-08  
a 2.637041325599335 1.1472e-08 au
q 1.917586060467288 1.0477e-07 au
i 4.457299584851317 4.2842e-06 deg
node 324.7011128106674 4.6038e-05 deg
peri 143.4977845082364 4.6886e-05 deg
M 263.215208365972 7.533e-06 deg
tp 2459021.012053778940
(2020-Jun-20.51205378)
3.3909e-05 TDB
period 1564.133546237795
4.28
1.0206e-05
2.794e-08
d
yr
n .2301593753716917 1.5019e-09 deg/d
Q 3.356496590731382 1.4601e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1096  
   data-arc span      23418 days (64.11 yr)  
   first obs. used      1955-10-24  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48165  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:56:22  

Additional Information
 Earth MOID = .936667 au 
 Jupiter MOID = 1.79317 au 
 T_jup = 3.339 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO502466  

46641 (1995 EY)          Discovered 1995-Mar-05 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1936-Oct-01 12:15 00:02 Jupiter 1.98953380176173 1.9895327267702 1.98953487675495 1.37262764571444 1.01618318583587 2428443.010677085 1.50065079614244 252.402164028495 77.7122537699522 49.7092453813367 3292136.89503071 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 03:56:38 2019-Dec-14 03:56
1950-May-19 23:50 00:01 Jupiter 1.89738166898555 1.8973809192027 1.89738241876775 1.82801628110333 1.56486756317364 2433421.492978910 1.24252132747991 193.756688007568 35.683630699512 77.4689387692103 1676565.29676233 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 03:56:38 2019-Dec-14 03:56
1997-Mar-10 18:28 < 00:01 Jupiter 1.79235839151673 1.79235802998942 1.79235875305575 1.48886167555296 1.12763490763882 2450518.269514787 0.339348776192968 693.154231217348 43.2050144568331 77.241816345536 5341714.56483147 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 03:56:38 2019-Dec-14 03:56
2044-Jan-05 04:30 < 00:01 Jupiter 1.85491283605425 1.85491252622861 1.85491314588083 1.36632061455686 0.976502578205149 2467619.687706653 0.615799262762283 461.15209539698 57.4337616837088 61.746922471242 5564433.60944998 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 03:56:38 2019-Dec-14 03:56
2104-Jun-11 00:26 00:02 Jupiter 1.8448375241992 1.84483663452633 1.84483841387218 1.67563068964045 1.37458202897522 2489691.518274625 1.75744842433648 361.178391733792 48.2865688020646 76.6723260623669 1586206.11432678 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 03:56:38 2019-Dec-14 03:56
2151-Apr-06 00:57 00:03 Jupiter 1.78174791571635 1.78174757243163 1.7817482590043 1.45394985208748 1.07851431139163 2506791.539686212 2.55513356196861 789.328949100985 70.4374208472696 75.645760465504 4401562.51601854 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 03:56:38 2019-Dec-14 03:56
2198-Jan-27 19:37 00:04 Jupiter 1.90279686733537 1.90279487583588 1.90279885883455 1.41552028429357 1.05518034883101 2523890.317142862 3.54996071691892 281.396129616728 93.5399081022179 57.3308022106283 2843279.34176386 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 03:56:38 2019-Dec-14 03:56

Alternate Designations
 1995 EY = 1991 GH14 = 1998 XS46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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